10 best practices for writing efficient and maintainable JavaScript code: Use const instead of var or let whenever possible. This helps prevent accidental modification of variables. Example: const name = “John”; name = “Jane”; // Error: “name” is read-only Declare variables as close as possible to their first use. This reduces their scope and makes … Read more
Beginners Introduction Guide To JavaScript Code JavaScript is a high-level, dynamic, and interpreted programming language. It is used to add interactivity and other dynamic elements to websites. Here are some basics of JavaScript with code examples: Variables: variables are used to store values in JavaScript. You can declare a variable with the “let” keyword, like … Read more
Downloadable PDF included JavaScript interview questions with answers: What is closure in JavaScript and how does it work? Answer: Closure is a feature in JavaScript where a function has access to its outer scope even after the outer function has returned. It is created when a function is defined inside another function, and the inner … Read more
JavaScript Closure Explained https://youtu.be/7vyHA0aODeU A closure in JavaScript is a function that has access to variables in its parent scope, even after the parent function has returned. Closures are created when a function is defined inside another function, and the inner function retains access to the variables in the outer function’s scope. Here is an … Read more
Test Questions Based on course at https://www.udemy.com/course/nodejs-mongodb-express Final Project in Section #6 Creating a fully functional node application, that uses Express to run a web application. Connect to a MongoDB and using Node allow the frontend web application to access the Database items, full CRUD interaction. Create a web application using Express – output html file from … Read more
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Google Apps Script Quickstart Code Examples Create a Spreadsheet with rows and columns values from a loop 1Use array data to create a spreadsheet and populate the values 3Apps Script UrlFetchApp Get URL Data and output to Web App 3Populate Spreadsheet data from Web API 4How to send data to an endpoint UrlFetchApp POST JSON … Read more
JavaScript Coding Examples Block Scope Declare Variables For of vs in iterable Items JavaScript Countdown using Interval JavaScript Object Literals JavaScript Instance Objects JavaScript Spread Operator syntax JavaScript Coding Examples JavaScript Coding Examples 1Block Scope Declare Variables 1For of vs in iterable Items 2JavaScript Countdown using Interval 4JavaScript Object Literals 5JavaScript Instance Objects 5JavaScript Spread … Read more
JavaScript Quick Coding Array Methods Tips and Examples Explore how you can use JavaScript to get array items with commonly used array methods Welcome to the JavaScript array methods quick coding course. https://skl.sh/3IR35gc Google Apps Script Projects for Beginners Create PDF WebForm Google Apps Script is just like JavaScript – running in the cloud. https://skl.sh/3HQNnAl … Read more
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